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Digital Electronics

Digital Electronics
10’s complement of 63325600 is

 633256600
 36774400
 366744399
 36674400

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Digital Electronics
Consider the following multiplication: (10w1z) × (15)10 = (y01011001)2 Which one of the following gives appropriate values of w,y and z?

 w = 1,y = 1,z = 1
 w = 1,y = 1,z = 0
 w = 0,y = 1,z = 1
 w = 0,y = 0,z = 1

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Digital Electronics
The address bus with a ROM of size 1024 × 8 bits is

 16 bits
 8 bits
 10 bits
 12 bits

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Digital Electronics
If a counter having 10 flip flops is initially at 0, What count will if hold after 2060 pulses?

 000 000 1110.
  000 000 1000.
  000 000 1100.
 000 001 1100.

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Digital Electronics
A digital circuit that can store on bit is a

 XOR gate
 flip-flop
 gate
 registor

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Digital Electronics
For 4 bit parallel addition, we need ________ half adder(s) and ________ full adder(s)

 1 and 3
 0 and 4
 1 and 4
 0 and 3

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